White lines separate lanes of traffic traveling the same direction. Yellow lines separate lanes of traffic traveling in opposite directions.
Answer:
Vasovagal syncope is a condition that leads to fainting in some people. It is the most common cause of fainting. It's usually not harmful nor a sign of a more serious problem. Many nerves connect with your heart and blood vessels.
Explanation:
took the test
Which of the following is always a component of allergies?
Out of all the answers shown above the one that best represents the one that is always a component of allergies is answer choice A) histamine.
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